Calls for a new Referendum now attract significant cross-party support from dozens of MPs. May has repeatedly ruled out another vote but could face pressure to call one if Britain slips into political paralysis. Supporters of a second referendum received a boost from a European Court of Justice legal opinion last week stating that Britain does have the unilateral right to revoke its Brexit decision. The ECJ's final ruling is expected Monday. FRANCE 24's Joe Welsh and Catherine Norris-Trent report from London.